diff --git a/docs/api.rst b/docs/api.rst
index b86b039a3..1d82275d4 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -2278,7 +2278,7 @@ of :class:`enum.Enum`.
         When this is the action, the type of :attr:`~AuditLogEntry.extra` is
         set to an unspecified proxy object with two attributes:
 
-        - ``delete_members_days``: An integer specifying how far the prune was.
+        - ``delete_member_days``: An integer specifying how far the prune was.
         - ``members_removed``: An integer specifying how many members were removed.
 
         When this is the action, :attr:`~AuditLogEntry.changes` is empty.